Ok, basically Javascript is sent with the HTML that is sent to your clients machine ... it is then parsed and run on their machine ...

You should place the <script> tags in between the <head> tags of your document. As far as displaying the time ... how do you want to do it? something that displays text like "10:00" and then ticks down every second ... "9:59", "9:58" etc ... ? or something different?

And then, what needs to happen when it reaches "0:00"? Submit the exam even if they are not done? Or just navigate to another page?

The ECB site provides FX rates for major currencies since its inception in 1999 in the form of an XML feed. The files have the following format (reducted for brevity)
(CODE)
There are three files available HERE (http://www.ecb.europa.eu/stats/exch…

This tutorial will teach you the special effect of super speed similar to the fictional character Wally West aka "The Flash"
After Shake : http://www.videocopilot.net/presets/after_shake/
All lightning effects with instructions : http://www.mediaf…